diff --git a/cmake/QtPlugins.cmake.in b/cmake/QtPlugins.cmake.in
index 15a16137d4..fb87a54c0d 100644
--- a/cmake/QtPlugins.cmake.in
+++ b/cmake/QtPlugins.cmake.in
@@ -79,11 +79,19 @@ if(NOT @BUILD_SHARED_LIBS@)
         set(_plugin_genex "$<${_plugin_condition}:${_plugin_target}>")
         target_link_libraries(${_module_target} INTERFACE "${_plugin_genex}")
 
-        # Generate a source file to import that plug-in
-        file(GENERATE
-            OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/qt_@QT_MODULE@_${target}.cpp"
-            CONTENT "#include <QtPlugin>\nQ_IMPORT_PLUGIN(${_classname})"
-        )
-        target_sources(${_module_target} INTERFACE "$<${_plugin_condition}:${CMAKE_CURRENT_BINARY_DIR}/qt_@QT_MODULE@_${target}.cpp>")
+        set(_generated_qt_plugin_file_name
+            "${CMAKE_CURRENT_BINARY_DIR}/qt_@QT_MODULE@_${target}.cpp")
+        set(_generated_qt_plugin_file_name_template "${_generated_qt_plugin_file_name}.in")
+        set(_generated_qt_plugin_file_content "#include <QtPlugin>\nQ_IMPORT_PLUGIN(${_classname})")
+
+        # Generate a source file to import that plug-in. Has to be done with configure_file,
+        # because file(GENERATE) and target_sources has issues with scopes.
+        file(WRITE "${_generated_qt_plugin_file_name_template}"
+                   "${_generated_qt_plugin_file_content}")
+        configure_file("${_generated_qt_plugin_file_name_template}"
+                       "${_generated_qt_plugin_file_name}")
+
+        target_sources(${_module_target} INTERFACE
+                       "$<${_plugin_condition}:${_generated_qt_plugin_file_name}>")
     endforeach()
 endif()